20202112303023 has 32 divisors (see below), whose sum is σ = 32019783155712. Its totient is φ = 11086394997600.

The previous prime is 20202112303019. The next prime is 20202112303031. The reversal of 20202112303023 is 32030321120202.

It is a happy number.

It is not a de Polignac number, because 20202112303023 - 2² = 20202112303019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202112303033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118359111 + ... + 118529672.

It is an arithmetic number, because the mean of its divisors is an integer number (1000618223616).

Almost surely, 2^{20202112303023} is an apocalyptic number.

20202112303023 is a deficient number, since it is larger than the sum of its proper divisors (11817670852689).

20202112303023 is a wasteful number, since it uses less digits than its factorization.

20202112303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236888955.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20202112303023 its reverse (32030321120202), we get a palindrome (52232433423225).

It can be divided in two parts, 2020211 and 2303023, that added together give a palindrome (4323234).

The spelling of 20202112303023 in words is "twenty trillion, two hundred two billion, one hundred twelve million, three hundred three thousand, twenty-three".